Home / 86,492.21-129,504.61-44,851.73

Finding the Fourth Proportional to 86,492.21, 129,504.61 and 44,851.73

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Solution

The fourth proportional to 86,492.21, 129,504.61 and 44,851.73 is: 67,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,492.21 : 129,504.61 = 44,851.73 : x
  2. Step 2: Convert to fraction form
    86,492.21/129,504.61 = 44,851.73/x
  3. Step 3: Cross multiply
    86,492.21x = 129,504.61 × 44,851.73
  4. Step 4: Simplify right side
    86,492.21x = 5,808,505,801.48
  5. Step 5: Solve for x
    x = 5,808,505,801.48/86,492.21
  6. Step 6: Final answer
    x = 67,156.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.